baber/WOPTO huggingface dataset:
Patent GB-1357466-A (GB)
Title: Process for preparing phosphonothioic and phosphinothioic halides
IPC: C07F9/32
Filed: 1972-11-22
Abstract: 1357466 Phosphonothioic and phosphinothioic halides STAUFFER CHEMICAL CO 22 Nov 1972 [1 Dec 1971] 54010/72 Heading C2P Compounds of Formula I  where R is C 1 -C 20  alkyl, C 5 -C 6  cycloalkyl, aralkyl having a single ring or 2 fused rings and in which the alkyl portion has 1 to 20 carbon atoms, aryl having a single ring or 2 or 3 fused rings or biphenyl (which may be substituted by C 1 -C 4  alkyl or halogen), R 1  is as R or is chlorine or bromine, X is chlorine or bromine, Y is sulphur and n is 1 or 2, and where any alkyl or aryl radicals may have non-interfering substituents are prepared by reacting under at least autogenous pressure at 200 to 450 C. a halide R(X) n  with a compound R 1 P(Y)X 2  in the presence of a halogen acceptor. The reaction is preferably carried out in an autoclave and the halogen acceptor may be antimony, arsenic or boron pentasulphide, an organic disulphide or, preferably, elemental phosphorus or sulphur. The reaction may be carried out in the presence of a diluent. The compounds of Formula I may be hydrolysed to form the corresponding phosphonothioic or phosphinothioic acids. Methane phosphono. thioic dichloride may be reacted with ethanol to give the insecticide O-ethyl-S-phenyl methane dithiophosphonate.
Patent GB-1183888-A (GB)
Title: Pattern Mechanism for Knitting Machines
IPC: D04B15/66
Filed: 1968-11-15
Abstract: 1,183,888. Knitting-machines. NORTH AMERICAN ROCKWELL CORP. 15 Nov., 1969 [15 Dec., 1967], No. 54406/68. Heading D1C. In a knitting machine a main cam drum has associated with it an auxiliary drum movable relative to it before each indexing operation to institute a machine operation preliminary to an operation initiated by the main drum. The main drum 12 fixed to shaft 15 is rotated by a pawl 27 engaging a peg wheel 25. A bluffing peg 41 is moved to an inactive position on one indexing movement of the pattern chain so that the pawls can be actuated at the next chain index. The auxiliary drum 60 is mounted on shaft 15 and indexed through half the angular distance of the main drum when the bluffing peg 41 is inactivated. Cams on the auxiliary drum actuate switches 107 for a drive speed change and reinforcing yarn trimming mechanism. The auxiliary drum is also connected through a lost motion connection to the main drum so that when the latter is indexed the indexing of the former is completed. The main drum is one of an adjacent pair indexed in unison; the auxiliary drum may be provided for one only or both.
Patent GB-1208128-A (GB)
Title: Electric spark proving and utilization circuit
IPC: F23Q3/00
Filed: 1967-12-01
Abstract: 1,208,128. Burners controls. HONEYWELL Inc. 1 Dec., 1967 [19 Dec., 1966], No. 54764/67. Heading F4T. [Also in Divisions F1 and H3] In a burner control and ignition system, the spark ignition circuitry is such that fuel is only admitted to the burner when the sparking is adequate for ignition. The primary circuit of a step-up transformer 25 includes a voltage divider network across a capacitor 14 and a neon or gas discharge tube 17 and with a silicon controlled rectifier 22 forms a relaxation oscillator providing pulses to the primary winding 24. The pulse of energy generated in the secondary winding 30 of the transformer is applied to a series circuit comprising igniter spark-gap electrodes 32, 33, a condenser 71 and the solenoid 70 of a fuel valve 66 in parallel therewith. The control circuit also includes a thermostat 51 and a high temperature limit control 55.
Patent GB-1495696-A (GB)
Title: Heat transfer
IPC: F28D15/02
Filed: 1974-11-26
Abstract: 1495696 Heat transfer devices; water heating N H SCURRAH 26 Nov 1974 [27 Nov 1973] 55048/73 Headings F4U F4A and F4S A heating apparatus comprises a heat pipe or Perkins tube 12 having means within the pipe or tube 16 for assisting transport of condensed vapour from a cooler to a warmer portion one portion 13 of the pipe being located in a source of heat which may be flue gases from the boiler of a central heating system and the other 15 in a medium to be heated. The pipe 16 is in sealing engagement with the wall of an aperture of a member 10 separating the heat source and medium to be heated and is supported by the member. Heat collecting and dissipating fins 17, 18 and a thermally insulated jacket 19 may be fitted about the pipe 16. In one embodiment, the gases in a flue 30, Fig. 3, contact vertical heat pipes 35, the upper ends of which pass through a horizontal upper wall 31 into a water jacket 34 for heating water to be used in a central heating system. Control of the flue gas may be achieved by thermostatically controlling the speed of rotation of a fan 36 in the chimney. In a modification, the combustion chamber of a hot water boiler has a lattice work arrangement of horizontal thermosyphons and vertical heat pipes extending into a surrounding water jacket. Various applications of the apparatus are described, e.g. to cooking utensils, oil-filled radiators, vehicle heaters and firebricks.
Patent GB-1115436-A (GB)
Title: Improvements in or relating to pressure assembly seals
IPC: G03C11/14
Filed: 1965-12-30
Abstract: 1,115,436. Joint-making packing. R. L. OLSON. 30 Dec., 1965 [18 Jan., 1965], No. 55253/65. Heading F2B. [Also in Division B3] Sealing means between the joint faces 22, 23 of two members of a cavitated assembly, e.g. a blow plate member 18 and a moulding box member 24 of a core blowing machine comprises a groove 28 in the joint face 22 of one member 18 filled with a seal strip 27 of elastomeric material and a passage 34, 35 in the member 18 through which pressure fluid is introduced between the groove root surface 30 and the opposing surface 33 of the seal 27 to thereby urge a face 29 of the latter into sealing contact with the joint face 23 of the other member 24. The seal 27 may be of closed cell elastomeric material, e.g. cellular rubber. The passage 35 is connected by a pipe 38 with a source of compressed air 39 under the control of a valve 40 operable to pressurize or deactivate the seal. The sides of the seal 27 preferably are bonded to the side walls of the groove 28 and the seal may be moulded in situ in the groove and a suitable method is described in the Specification. In a modification (Fig. 6), a groove (47) is formed in the joint surface (23<SP>1</SP>) of the other member (24<SP>1</SP>) opposite the groove (28<SP>1</SP>) and when the seal (27<SP>1</SP>) is pressurized part of it is forced into the groove (47). In a further modification (Fig. 7), the groove (28<SP>11</SP>) is of dovetail cross-section and a number of grooves (29<SP>11</SP>) are formed in the joint surface (23<SP>11</SP>) opposite the groove (28<SP>11</SP>). In an application to a core box assembly (Fig. 8) comprising a top (54), a bottom (51) and a loose piece (49) fitting in a recess (50) in the bottom (51) and having a core shaping projection (53), seals (57 and 62) are located in grooves in the joint face (55) of the top (54) and in the recess (50) in the bottom (51) respectively and are pressurized by fluid such as compressed air supplied through associated pipes (61 and 65).
Patent GB-1485058-A (GB)
Title: Plasma collection system and bottle therefor
IPC: A61J1/05
Filed: 1974-12-23
Abstract: 1485058 Bottles; closing bottles BAXTER TRAVENOL LABORATORIES Inc 23 Dec 1974 [21 Dec 1973] 55433/74 Headings B8C B8D and B8T Blood plasma is stored by filling a sterile blow moulded bottle 11 which has a flattened neck portion 14, heat sealing together the opposing walls of the neck and freezing the plasma. The bottle may be provided with a membrane 17 pierceable by a plastics or metallic filling needle. Alternatively the end portion of the bottle can be broken off along a weakened line and a cap 26 screwed on. The cap has tubular extensions 29 with rubber or plastics caps 30 which can be removed for filling. An air vent 31 is also provided. The bottle has semi-annular strengthening members 18 on its bottom. The bottle is filled from a flexible bag (40) which is compressed between pivoted and fixed plates. The neck portion is sealed by electrically heated bars and the top of the bottle is then cut off. Bottles may be emptied by moving them on an inclined belt 60 underneath hold-down bars 63 while a rotating cutter slits each bottle near its bottom and a cam 64 prises the bottom outwardly. In another device a bottle is held inverted, a band saw cuts off the bottom and the plasma is emptied into a collection vessel.
Patent GB-1190490-A (GB)
Title: A Device for Detecting Particles or Determining their Concentration in a Gaseous Atmosphere.
Inventor: ERIKSSON GUSTAV RAGNAR
IPC: G01N15/06
Filed: 1968-11-27
Abstract: 1,190,490. Determining particle concentration in gaseous atmosphere. SAAB A.B. Nov. 27, 1968 [Nov. 29, 1967], No.56302/68. Heading G1A. A device for detecting or determining the concentration of particles in a gaseous atmosphere, comprises a light-tight housing having a non- reflecting interior, a plate for exposure to the atmosphere to allow particles to settle on a surface, means for inserting and retracting the plate respectively into and from the interior of the housing, means for directing toward the settled particles a beam of light in a direction generally parallel to the plate surface, and light-detecting or measuring means for detecting or measuring the amount of light deflected by the particles away from the plate, the plate inserting and retracting means being arranged to move a plate cover relative to the plate during insertion of the plate into the housing to permit exposure of the plate to the light beam, and to replace it during retraction. The housing Fig. 1, has a slide arrangement 30 for insertion and retraction of the plate, and the plate cover is slidably mounted on the plate. Light from a source 13 is split into two beams and directed across the uncovered plate 8 through slits 11, 12. The deflected light detected by detector 18 is amplified in an amplifier 21 and indicated, the detector head being mounted on a shaft 23 with an external handle whereby it can be moved from above the plate to facilitate a visual examination through an eye-piece 26 of a microscope. The slide cover removing arrangements are described with reference to Figs. 3-5 (not shown).
Patent GB-1478046-A (GB)
Title: Wheelchairs
IPC: A61G5/04
Filed: 1973-12-05
Abstract: 1478046 Wheel Chairs A BELL 13 Aug 1974 [5 Dec 1973] 56365/73 Headings B7B and B7D In a wheel chair an arm 26, 27, on which a ramp 28, 29 is pivotally mounted, is pivotable to a position in which the ramp is placed in the path of a wheel which may run up the ramp. As shown in Fig. 1 the frame supports two front wheels 16, 17 on shafts driven by electric motors 18, 19 powered by detachable batteries 20. The motors may be controlled by a lever 21 which can be moved from a neutral position to any one of eight operative positions corresponding to different combinations of forward and reverse drives of the motors 18, 19. Two pairs of rear wheels 22, 23 are supported on uprights rotatably received in brackets 24, 25 supported by side frame members 1, 2. The shaft 30, Fig. 4, of each of the front wheels has a telescopic arm 26, 27 journalled thereon each arm being sprung to its maximum length. In the event of motor failure a nut 32 is loosened so that spring 35 pushes the wheel 16 out of engagement with a collar 33 pinned to shaft 30 for the wheel to run freely on the shaft 30. The arm 26, Fig. 4, is rotatably supported by shaft 30 and supports a plate 36 facing a magnet assembly 37 fixed to frame member 1. The assembly 37 is connected for energization to the batteries 20. A member 37a keyed to shaft 30 is rotatably received by assembly 37. On depressing a button or switch the assembly 37 may be energized for arm 26 to come into engagement with member 37a. The arm then rotates with the wheel 16, overcoming the spring of a catch which normally supports the arm upright. When the ramp is rotated to a position in front of the wheel the assembly 37 is de-energized and the chair advanced to mount the ramp and an adjacent obstacle such as a kerb, the telescopic arms contracting during this operation after which the assembly 37 is again energized causing arms 26, 27 to rotate to the upwardly extending position. A limit switch actuated by one of the arms then de-energizes the assembly 37 for normal use of the wheelchair to recommence. The wheelchair is formed by two rigid side members 1, 2 with pivoted uprights 3, 4, being linked by foldable cross members 5, 6, and 7 each cross member being adjustable in length by having oppositely threaded sections linked by knurled internally threaded cylinders 8. A seat 9 is supported on four springs 10 and a pair of pins 11 pivotally received in brackets 12, Fig. 2. The seat supports arms 14, 15 which are adjustable in height. The seat may be supported conventionally on pins supported by the uprights 3, 4 and the frame members 1, 2. An adjustable foot rest comprising two arms 38, 39 and outriggers 44 are provided and each support small wheels 43, 45 for contact with the ground in the event of tipping.
Patent GB-1223036-A (GB)
Title: Succinimide derivatives
IPC: C07D207/404
Filed: 1968-11-27
Abstract: 1,223,036. Succinimide derivatives. ASTRA A.B. 27 Nov., 1968 [29 Nov., 1969], No. 56378/68. Heading C2C. [Also in Division A5] Novel compounds of Formula I or an acid addition salt thereof wherein R<SP>1</SP> is a straight or branched alkyl or alkenyl group of up to 6 carbon atoms, R<SP>2</SP> is a divalent, saturated, straight or branched cyclic or acyclic hydrocarbon radical having 2 to 6 carbon atoms, R<SP>3</SP> is H or a straight or branched alkyl group of up to 4 carbon atoms and R<SP>4</SP> a C 1-4  n-alkyl group or a hydroxy- or C 1-4  alkoxy-n-(C 2-4 )-alkylene group, are prepared by reaction of a compound of Formula II with a compound of formula Z-R<SP>2</SP>-Q in which formulµ Q is halogen OH or -NR<SP>2</SP>R<SP>4</SP>, X, Y and Z are each halogen, OH, alkoxy, tosyloxy, -CN or amino or X and Y together form an imino group or alkali metal salt thereof or an oxo group at least one of X, Y and Z or X and Y together being a nitrogen containing group, the groups being selected to react together to give the required cyclic tertiary amino group, R 1  to R 4  are as above except that R 4  may also be H; and where Q is OH or halogen in the product introducing the group NR 3 R 4  which group in any product may be converted into a desired group by one or more appropriate after processes; optically active starting materials of Formula II may be used or the final products may be resolved. Succinic acids of Formula II above are resolved via the brucine salt and unsaturated group are optionally reduced. The acids may be prepared by hydrolysis of a compound of formula and optionally converted to their anhydrides by refluxing in tetrachlorethane under a water separator. α - Phenyl - α - propylsuccinimide is prepared by reaction of the succcinic anhydride and concentrated aqueous ammonia.
Patent GB-1114124-A (GB)
Title: 4'-demethyl-epipodophyllotoxin
Inventor: WARTBURG ALBERT VON
IPC: C07D317/70
Filed: 1965-07-30
Abstract: The novel compound 41-demethyl-epipodophyllotoxin is prepared by heating 41-demethyl-podophyllotoxin in a mixture of water and a water-miscible organic solvent which is not capable of forming ethers with 41-demethyl-podophyllotoxin, in the presence of a strong acid at a temperature of 20-80 DEG  C.
Patent GB-1285363-A (GB)
Title: Dispensing device
Inventor: BARNES EDWARD
IPC: B05B1/16
Filed: 1969-11-19
Abstract: 1285363 Liquid distributor head BP CHEMICALS Ltd 29 Oct 1970 [19 Nov 1969] 56550/69 Heading B2F A distributor head, which may be used for applying liquid to grain being moved by an auger, has an internal tube 4 slidable arranged within a perforated tube 1, to vary the number of holes 3, through which the liquid can flow. The relative positions of the tubes 1 and 4 may be adjustable by screw-threaded means.
Patent GB-1161490-A (GB)
Title: Spiral Looper
Inventor: SENDZIMIR TADEUSZ
IPC: B21B41/00
Filed: 1966-12-20
Abstract: 1,161,490. Accumulating strip material; rolling. T. SENDZIMIR. 20 Dec., 1966, No.56933/66. Headings B3A, B3M. [Also in Division B8] Strip material is accumulated by forming a first spiral coil 102 from which the strip is led into a second spiral coil 104 before being finally withdrawn, the strip material between the coils being guided by means 135 which can be moved with respect to the coils to cause the material to accumulate or diminish in the coils. In one embodiment, the strip 1 is withdrawn from the interior of an upper coil 102 and fed into the interior of a lower coil 104 by driven rolls 103 of the guide means 135 rotatably mounted on a turntable 106, which is stationary only when the exit and entry velocities of the strip are equal. The strip is guided out of and into the respective coils by a guide roll 304, 309 attached to a movable arm 305, 310 pivotally connected to a cradle 145, 146 which is in turn pivotally connected to the turntable 106. The convolutions of the coils are supported and advanced by driven rollers 112 positioned slightly off the radial position to control the relative tightness of adjacent convolutions. The convolutions may be spaced apart by ribbed supporting rollers 131a. The two coils may alternatively be arranged side by side (Fig. 5, not shown). In an alternative embodiment, the two coils (150, 151) (Fig. 3, not shown) are arranged concentrically on independently driven annular roller tables (153, 154). The strip is withdrawn from the interior of the outer coil (150) and fed around rollers (166,167) on to the outer convolution of the inner coil (151), from the interior of which the material is finally withdrawn. The rollers (166, 167) are rotated to remove from or add material to the coils. The strip accumulator of the invention may be used to permit, for example, a rolling mill to operate continuously while the trailing end of the strip is welded to the leading end of another length of strip (Fig. 6, not shown). In a further embodiment (Fig. 7, not shown) a closed loop of strip is repeatedly passed through a mill and the strip accumulator until the required gauge is achieved.
Patent GB-1451920-A (GB)
Title: Dynamo electric machine with built-in cooling arrangement
IPC: H02K9/16
Filed: 1973-12-10
Abstract: 1451920 Dynamo electric machines V G RYAZANOV and V V GUSEV 10 Dec 1973 57047/73 Heading F4U [Also in Division H2] A dynamo electric machine with a built-in cooling arrangement comprises a housing 15, a stator core 2 including a winding 3 and cooling ducts 4, a rotor shaft 6, and a rotor core 7 with a winding 8 and cooling ducts 9. A cylindrical sleeve 17 extends throughout the housing 15 from one end wall 16 to the other defining a zone (18, Fig. 2) containing axially extending pipes 19. Fans 10 and 11 are provided for forcing air, respectively, over and through the pipes 19. In the embodiment shown, axial ribs 20 divide zone (18) into sections (21, Fig. 2). Axial slits 22 in cylindrical sleeve 17 are disposed adjacent ribs 20, slits 22' being for the inlet of cooling air into zones (18) and slits 22" being for the outlet of the cooling air. The annular cavity 23 confined by the sleeve 17 and by cylindrical partitions 27 and the stator core 2 is divided by radial partitions 26 into distributing chambers 24 and receiving chambers 25, the partitions 26 contacting adjacent longitudinal ribs 20. In operation of the machine, cooled gas driven into the inner space 30 by the fan 10 passes through the cooling ducts 4, 9 where it is heated. The gas is blown into distributing chambers 24, flows towards the slits 22' and enters the respective sections (21) passing tangentially, with respect to the rotor therethrough. The cooled gas leaves the sections (21) via the slits 22" into the receiving chambers 25 and the space 30. In another embodiment (Fig. 6, not shown), the axial ribs 20 are dispensed with, adjacent pairs of helical partitions 26 with opposite pitch being provided. Alternatively, the partitions 26, ribs 20 and slits 22 may be made symmetrical with respect to the middle. Transverse plane of the machine (Fig. 8, not shown). In further embodiments (Figs 9, 10 not shown), the pipes 19 in zone (18) may be arranged in several groups, the number of which is equal to that of the distributing chambers 24.
Patent GB-1211927-A (GB)
Title: Improvements relating to anchor chain arresting devices
Inventor: BUGAENKO BORIS ANDREEVICH
IPC: B63B21/18
Filed: 1968-12-03
Abstract: 1,211,927. Toothed gearing; disc brakes. B. A. BUGAENKO, and V. D. KOLTYGO. 3 Dec., 1968, No. 57324/68. Headings F2E and F2Q. [Also in Division B8] In an anchor chain arresting device (see Division B8) a differential gear unit 13 is disposed in the drive between a motor 14 and alternative output gears 20 and 23. Normally output gear 20 is driven from gear 16 integral with a motor driven worm-wheel 15, through pinions 18 and gear 19, the axle of the pinions 18 being integral with a shaft 17 around which gears 16 and 19 freely rotate. The shaft 17 is normally braked by a disc 27 non-rotatable relative to the device casing and gripped between discs 26 and 28 rotationally locked to the shaft 17, a spring 32 and lever 33 compressing the three discs together. At a stage in the operation of the device, the output gear 20 is stopped whereupon gear 19 is arrested and the axle of the pinions is rotated to drive shaft 17, the rotation of shaft 17 causing balls between the two brake discs 26, 28 to ride up cam faces thereon to part the same against spring pressure whereby the locked disc 27 is disengaged and output gear 23 is driven until such times as the output gear 20 is released. A switch 39 controlling the drive motor 14 is operable through the linkage 33, 38 to de-energize the motor when sufficient tension in the chain has been reached. Cam faces only may be provided between discs 26, 28, the balls being dispensed with.
Patent GB-1176857-A (GB)
Title: Deep Water Anchor.
IPC: B63B21/26
Filed: 1967-12-19
Abstract: 1,176,857. Deep water anchor. TEXACO DEVELOPMENT CORP. 19 Dec., 1967 [19 Dec., 1966], No. 57712/67. Heading B7S. A salvageable anchor 16 for use in deep water comprises a tubular member 20 having an open lower end 21 for sinking into the ocean bottom 30, a convex dish-shaped member 22 closing the upper end, a weight cap 24 bonded to the member 22, a pad eye 32 extending from the top of the cap 24 for connection to a chain or cable 34, a suction-fill pipe 36 extending from the interior of the tubular member 20 to a quick opening connector 38 (operable by a line 43) from which a suction-discharge line extends to the water surface for connection to a pump for evacuating and pressuirizing the tubular member 20 and a pad eye 44 on the tubular member for connecting to a mooring line 46.
Patent GB-1283610-A (GB)
Title: A stranded electrical conductor
IPC: H01B9/00
Filed: 1969-11-26
Abstract: 1283610 Electric cables FELTEN & GUILLEAUME KABELWERKE AG 26 Nov 1969 [12 March 1969] 57818/69 Heading H1A A re-entrant stranded electrical conductor comprises individual stranded conductors 1, each containing wires 4 mutually insulated by being embedded in a block of insulative material, each individual conductor having two substantially flat side faces converging from a convex part-cylindrical outer face. The flat side faces lie in radial planes and the sides may meet at the centre or converge to the ends of a concave part-cylindrical face. Prior to deformation by compacting, each of the strand 3 is laid as a single layer around a plastics core 5 (Fig. 2, not shown). During compacting the circular strands 3 become generally trapezoidal in crosssection and the material of core 3 penetrates into the interstices between individual wires 4. The provision of the hollow central core enables the conductor to be used as an oil-filled cable conductor.